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tl elements – automation suite
frequently asked questions (faq)

> What does TL Elements do?

TL Elements is an Autodesk Revit add-in for automatic and controlled building of Architecture models. It offers features of elements filtering by category, family, type and/or parameter; creation of walls, walls finishing (new walls or new layers), floors and ceilings (Revit post-2021 versions); insertion of doors, windows and sills; solids operations, parts handling and much more.

> Which version of Revit should I run to use TL Elements?

TL Elements is compatible with versions 2019, 2020, 2021, 2022, 2023, 2024 and 2025 of Autodesk Revit, running on Windows 10 or 11, with .NET Framework 4.8 (Revit 2019-2024) or .NET 8 (Revit 2025) runtime installed.

> What languages is TL Elements available in?

English and Portuguese-BR. English is the default language for the application. However, if you run Revit in the Portuguese-BR language, TL Elements will run in Portuguese-BR as well.

> What do I need in order to use TL Elements?

In order to use TL Elements, you will need to create an account at the TL Elements user area, download the installer of the application and run it to install the extensions for the desired Revit versions. Once installed, the add-in can be accessed at the "eTLipse" tab at the Revit ribbon.

> Do I need a paid license to use TL Elements? How do I purchase it?

TL Elements offers a Trial period of 30 days and, after that, can only be used via monthly paid subscription. You can learn how to subscribe to a single license here or to a Business license (for multiple users) here.

> How many computers can I use TL Elements on with a single user account?

A single user may use TL Elements in different computers, but a logout in Revit is necessary prior to switching to another machine. Otherwise, the passing of 24 hours since the beginning of the session in the first computer will be required to unlock the use in a new computer.

> Can I use DWG/AutoCAD lines as reference to create walls?

Yes. Since version 2.0 of TL Elements it is possible, via TL Finishes command, to use lines in .DWG imported/linked files, as well as model lines and room separators, to create walls by parallel lines or central lines detection.

> Can I apply finishes to my existing walls in the project or should I always start the process by using Room Separation Lines to create the walls via add-in?

In TL Elements, the creation of walls using Room Separation Lines is an optional process. You can run the TL Walls or TL Frames command to use walls already instantiated in the project as reference to insert finishes (new layers in a compound wall or new walls as finishes to existing walls), floor and ceiling creation and doors and windows insertion. Please, make sure to read and understand all the requirements to properly use existing walls for these operations in the TL Finishes, TL Rooms and the TL Frames guides, available at our Guides section.

> Can I create rooms automatically?

Yes. Since version 2.1 of TL Elements it is possible to automatically create rooms based on walls selected in the walls list of the TL Finishes command or at end of the process of wall creation by detection of lines in imported/linked .DWG files, model lines or room separators.

> Regarding the insertion of finishes to walls: can I insert new walls or just add new layers as new finishes to existing walls?

TL Elements allows you to create wall finishes in both ways: multiple walls or compound walls. In the Multiple Walls mode, you can insert new walls as finishes to existing walls. In the Compound Walls mode, you can insert new layers to existing types of compound walls (generating new types). You can learn more about these two construction modes in the TL FInishes, TL Rooms and TL Xpress guides, available here.

> I do not know how to use the add-in. I am overwhelmed by the amount of features in the User Interface. Where can I understand it and get help?

In the TL Elements user interface you can hover your mouse cursor over any of the buttons and boxes to open a tooltip that explains the feature they set or execute. Also, you can always refer to the topics of our detailed guides for each main feature of the application. You can find them here.

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